Jump to content


waterboy

Member Since 28 Sep 2005
Offline Last Active Jul 30 2014 06:50 AM
-----

Posts I've Made

In Topic: Samyang / Rokinon 7.5mm behind a 4.33 Nauticam Dome

04 October 2013 - 12:12 AM

Hey.
I have ended up getting the panasonic 8mm.
I have used it behind the 3.5inch port for a while and am now using it behind the 4.33inch port.
I love this combo! Mainly using it for FREEDIVING shots but have just returned from tonga and found that when the whales were close enough the combo performed extremely well.
My other combo- oly 9-18 behind the 4inch wide port did not perform as nicely and I have found that I needed to stop down to f10 for good sharpness across the frame. This makes me boost ISO to over 640 which in turn degrades quality...
With the 8mm I can shoot at f7.1 and get awesome sharpness.
I will upload some samples next week.
Cheers,
Erez

In Topic: EM-5 and 9-18mm soft images

18 December 2012 - 04:58 PM

I actually only have this one lens so I couldn't test any other option until I returned from tonga and swapped lenses.

In Topic: EM-5 and 9-18mm soft images

17 December 2012 - 11:48 PM

Had a look at the focus points and the focus distance - Focus was good and focus distance was .45 so within the workable focus range.
The more I look at the photos the more I can see how soft and faulty was my old lens.
I have one set of images that I shot at 11mm and on F11 and they are by far the best ones (even though they needed cropping and lots of work). I know the WB is not the best..
I have downloaded LR4 and can't seem to notice a huge difference in processing over Aperture..
I will have to jump into the pool and conduct some tests...

I am getting really tempted to get the 12-50mm after seeing Alex's last few shots. Either this lens or the 60mm...

cheers,
Erez

In Topic: OMD - Olympus or Nauticam housing advice

16 December 2012 - 07:58 PM

Fantastic shots Alex.
Will the 12-50 fit inside the 4 inch wide angle port (the one for the 9-18mm?
Will it have any impact on image quality?
Thanks

In Topic: EM-5 and 9-18mm soft images

15 December 2012 - 06:52 PM

Nicolas, My issue was that i wanted to keep the speed at around 160-250 in order not to have to boost ISO. Now that i realise I can increase iso i will try with faster speeds. Saying that, we had a guy on the group with the 5D MK3 with the 17mmL and he was using F4.5 and 1/100 and he got good results... This is what frustrate me... Being a m43 setup I thought i will have greater DOF @F5.6 that he would have on a FF@F4.5.

Bob,
the issue with the whales is that you cant really get too close unless they let you... and when they do - they might suddenly be so close that they will will not fit in the frame even at 9mm. humpbacks are 12m long so there will be at least part of the shot that has more than 1 meter away...
I will try and experiment with different apertures and iso next time i am in the water.
I am now positive that my first lens was a lemon - looking at some test shots i took with it and with the replacement I clearly see a major difference in sharpness.

would the Panasonic 8mm fisheye be supirior to the 9-18mm in terms of performance? Has anyone tried the Samyang 7.5mm? Will the fact the samyang is full manual be a major limiting factor here?

Thanks,
Erez